PHILADELPHIA (CBS) – There are new developments today in the case of several teens in court for their alleged roles in the random attacks by “flash” mobs late last month in Philadelphia.

Three juveniles, ages 17, 16, and 11, were in court today to make “admissions” — in the juvenile justice system, the equivalent to a guilty plea.

The three admitted to the allegations against them, admitting to charges including robbery, conspiracy, rioting, and assault in connection with the flash mob attacks in center city on the evening of July 29th (see previous stories).

Several victims who were attacked that night, some assaulted and some robbed, were in the courtroom. They were there to testify about the assaults and the impact on their lives as a result of those attacks.

Judge Kevin Dougherty, characterizing the actions of the three defendants as “hunting humans for sport,” then ordered the 17-year-old and the 16-year-old to remain in state custody and the 11-year-old to remain under house arrest in the custody of his grandmother.

The court could order these juvenile defendants to undergo psychological tests and to remain under court supervision until they reach the age of 21.